TY  - BOOK
AU  - Walker, R.C.
TI  - Electronic equipment and accessories: a concise introduction to the principles of electronics and their applications in industry: R.C. Walker
U1  - 621.381028 
PY  - 1945///
CY  - London
PB  - George Newnes
KW  - Electronic apparatus and appliances
KW  - Electronics
KW  - Electronic instruments
ER  -